fixed bug in the bidirectional remove_out_edge_if and

remove_in_edge_if. Needed to consider the without property case.


[SVN r8774]

libs/graph

@@ -1 +1 @@
-Subproject commit 5d6cec7c5d196083955151df2bd2ebe8afc91e12
+Subproject commit 401537817265f2d9a3a22cb8bb44366eeae19c0e